Home / 1,279,642.60-1,916,699.10-1,058,458.60

Finding the Fourth Proportional to 1,279,642.60, 1,916,699.10 and 1,058,458.60

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Solution

The fourth proportional to 1,279,642.60, 1,916,699.10 and 1,058,458.60 is: 1,585,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,642.60 : 1,916,699.10 = 1,058,458.60 : x
  2. Step 2: Convert to fraction form
    1,279,642.60/1,916,699.10 = 1,058,458.60/x
  3. Step 3: Cross multiply
    1,279,642.60x = 1,916,699.10 × 1,058,458.60
  4. Step 4: Simplify right side
    1,279,642.60x = 2,028,746,646,007.26
  5. Step 5: Solve for x
    x = 2,028,746,646,007.26/1,279,642.60
  6. Step 6: Final answer
    x = 1,585,400.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.